On Wed, Jul 06, 2022 at 05:25:32PM -0400, Stan Cox wrote: > stapvirt seems to have a quite similar layout to virsh-console. All is fine > for short packets: > > 1. Send file command to remote, stdin_event gets event > stdin_event:1000 fd 0 events 0x1 stbuf_off 0 stbuf 0x7ffd0e99f848 > termbuf_off 58 buf "file 926928 stap_1f18b4b" > 2. stream_event gets event > stream_event:1067 events 0x2 stbuf_off 0 stbuf 0x7ffd0e99f848 buf "file > 926928 stap_1f18b4b" > > but stream_event is not triggered when kernel module is being sent in chunks > > 3. stdin_event reads first chunk of kernel module > (which does virStreamEventUpdateCallback when it notices buffer contents) > stdin_event:1000 fd 0 events 0x1 stbuf_off 0 stbuf 0x7ffd0e99f848 > termbuf_off 1024 buf "^?ELF^B^A^A" > 4. but stream_event is never triggered > > What triggers stream_event to be called such that the 2 case would be > triggered but not the 4 case? I don't know - as best I can tell all your logic matches what is in virsh console. What libvirt version are you testing with, and have you tried a differnt version ? With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
